- n. 轨道；足迹，踪迹；小道
- vt. 追踪；通过；循路而行；用纤拉
- vi. 追踪；走；留下足迹
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1、trace => track.
来自古法语 trac,轨迹，车道，可能来自荷兰语 trek,踩出的，引导的，词源同 trek,trigger.最终 来自 PIE*dhragh,拉，拉出，词源同 draw,tract.引申诸相关词义。
- track:  Track was borrowed from Old French trac ‘trail, set of footprints, etc’. This too appears to have been a loanword, from Middle Dutch trek ‘pulling’ (ultimate source of English trek , via Afrikaans), which was derived from the verb trekken ‘pull’. The sense ‘path’ did not emerge until as recently as the 19th century.
- track (n.)
- late 15c., "footprint, mark left by anything," from Old French trac "track of horses, trace" (mid-15c.), possibly from a Germanic source (compare Middle Low German treck, Dutch trek "drawing, pulling;" see trek). Meaning "lines of rails for drawing trains" is from 1805. Meaning "branch of athletics involving a running track" is recorded from 1905. Meaning "single recorded item" is from 1904, originally in reference to phonograph records. Meaning "mark on skin from repeated drug injection" is first attested 1964.
Track record (1955) is a figurative use from racing, "performance history" of an individual car, runner, horse, etc. (1907, but the phrase was more common in sense "fastest speed recorded at a particular track"). To make tracks "move quickly" is American English colloquial first recorded 1835; to cover (one's) tracks in the figurative sense first attested 1898; to keep track of something is attested from 1883. American English wrong side of the tracks "bad part of town" is by 1901. Track lighting attested from 1970.
- track (v.)
- "to follow or trace the footsteps of," 1560s, from track (n.). Meaning "leave a footprint trail in dirt, mud, etc." is from 1838. Of film and TV cameras, 1959. Related: Tracked; tracking.
- 1. Dozens of miles of railway track have been torn up.
- 2. She had spent years trying to track down her parents.
- 3. Across the river the railway track ran up to the pithead.
- 4. The title track is a pointed meditation on a continent gone wrong.
- 5. The job needs someone with a good track record in investment.
[ track 造句 ]